var express = require('express');
var app = express();

app.get('/', function (req, res) {
    console.log('hello');
    var obj={
        content:'hello world'
    };
    var str=JSON.stringify(obj);
    res.send(str);
});

app.listen(3000, function () {
    console.log('Example app listening on port 3000!');
});